Strong material: forged aluminum alloy material, solid and firm handlebar extender, durable for more safety when use, high toughness and not deformedMAXIMUM HEIGHT EXTENSION: Stem riser can freely adjust the gasket to fit your own height, reducing the pressure of waist effectively and raised to your comfortable positionEasy installation: just connect up the original front bicycle fork stem. The handlebar riser can apply to most of the met bikesComfortable Cycling: handling more flexible, light weight, much easier to force when climbing, operation is comfortable, convenient bike fork extenderWidely compatible: Work on mountain or road bikes with Thread less Steering tube, apply to most of the met bikes. Convenient bike fork extender to force when climbing easilySPECIFICATIONSName Handlebar ExtenderMaterial6061 AluminumApplication: Cross Bike, Road Bike, Mountain Bike etc.INSTALLATION STEPS Remove the cover of original handlebar. Remove the bicycle handlebar stand. Install the bike fork stem extender, then adjust the position and fix the adjustment screw. According to the height you need to increase some gaskets. Install the handlebars stand and fixed the screws on the stand. Finally, install the cover of the bike fork stem extender.